Electric motorcycle company Brammo has been acquired by one of its investors, vehicle company Polaris Industries, with Best Buy also exiting in the deal.

Twitter has agreed to buy the Times Internet-backed mobile marketing company for a price reported to be about $40m.

Cisco and UMC-backed fabless semiconductor producer EnVerv has been acquired by semiconductor supplier Semtech.

Mobile game developer Kabam has acquired games studio TapZen, which had raised $18m in venture funding from Tencent and Zynga.

Cloud payment provider Bottomline Technologies has acquired the fraud detection and prevention company for $67m.

Novo-backed Tobira, which failed to go public last year, plans to merge with another pharmaceutical company, Regado Biosciences, whose stock has fallen to about $1.00.

The restaurant listings service, which is majority-owned by Info Edge, is raising the funding in the aftermath of its acquisition of US-based rival Urbanspoon.

Diagnostic testing company Adaptive has bought Celgene-backed blood cancers test developer Sequenta in a deal backed by $94m of private equity money.

Reliance Industries bought the diversified media company, granting Nokia a reported exit around 2.4x.

Teradata has acquired big data archiving company Rainstor, which had raised $29m from investors including Rogers Communications, Dow and Informatica.